Analysis

  • max time kernel
    141s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-04-2024 07:31

General

  • Target

    f9cff4def09b76baca2869464f1235c2_JaffaCakes118.exe

  • Size

    323KB

  • MD5

    f9cff4def09b76baca2869464f1235c2

  • SHA1

    1a5258e06fdab7b25e8a25e395d2284cf8e6b248

  • SHA256

    55ce5da23ecfb50c1d8707d191f4160a3dd6dd88843c4ef0d9be8cc2d62adbce

  • SHA512

    ffb88d559a104f5a0c884f0957159e21000a954a9b5c5a77f3d9ddc277427fc21e7e10870880f352044c35d824d971d615da6bac9db78ea56e008fd181ae873f

  • SSDEEP

    6144:k0JeoDtaoZT2VIC2GVWNbnoQXuW893NcDjVCnbqQstUr5lUAemBR00U0ds3DW:kAtaowd2GobnoQ+PiDheatUzBRSS

Malware Config

Signatures

  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f9cff4def09b76baca2869464f1235c2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f9cff4def09b76baca2869464f1235c2_JaffaCakes118.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:2460

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Defense Evasion

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Replay Monitor

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Downloads

  • memory/2460-0-0x0000000000F60000-0x000000000101C000-memory.dmp
    Filesize

    752KB

  • memory/2460-11-0x0000000000F60000-0x000000000101C000-memory.dmp
    Filesize

    752KB

  • memory/2460-16-0x0000000000F60000-0x000000000101C000-memory.dmp
    Filesize

    752KB

  • memory/2460-17-0x0000000000F60000-0x000000000101C000-memory.dmp
    Filesize

    752KB